Allelopathy is a biological phenomenon by which an
organism produces one or more biochemicals known as
allelochemicals that influence the growth, survival, and reproduction of
other organisms.

Corn gluten meal (CGM) is a natural pre-emergence weed
control used in turfgrass, which reduces germination of many broadleaf and
grass weeds.

I have had Melica racemosa growing very successfully in
my grass garden for a number of years during which time it has spread a little
out competing some of the grasses but none of the established grassland fobs
such as Vernonia capensis and Vernonia natalensis have been affected.

Melica racemosa

Propagation

Propagation as with most grasses is best done by seed but
it can also be grown vegetatively by subdivision.

Landscaping

Melica racemosa is a very attractive grass in particular
when it is in flower which displays characteristics that may make it a good
subject for landscaping.

Melica racemosa growing naturally

Staggers grass Melica decumbens a close relative when eaten in large quantities has a narcotic effect on cattle and to a lesser degree on sheep.